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Texas Instruments TPS2372-3 | Demoboard PMP23366
Dual-input redundant PoE Class 6 PD with smooth transition and telemetry reference design
Details
| Topologie | LAN / POE |
| Eingangsspannung | 42.5-57 V |
| Ausgang 1 | 5 V / 9 A |
| IC-Revision | A |
Beschreibung
This design implements a Power over Ethernet (PoE) Class 6 Powered Device (PD) with dual redundant PoE inputs and smooth transition between these inputs and a an auxiliary input. Two TPS2372-3 PD controllers are utilized for high power PoE control up to 51W. A 5V at 9A active clamp forward converter is implemented with the PWM portion of a TPS23734 IC. An INA237A provides input voltage/current/power/temperature measurements via I2C.
Eigenschaften
- Dual redundant PoE inputs plus auxiliary 48V input
- Smooth transition between all inputs
- PoE Port 1 priority over PoE Port 2
- Auxiliary priority over either PoE Port
- Telemetry for input voltage, current and power via I2C
- 88% efficiency from PoE input; 90% efficiency from auxiliary input
Typische Anwendungen
- Occupancy detection (people tracking, people counting), PTZ wired IP camera
- WLAN/Wi-Fi access point
Weiterführende Informationen
Artikeldaten
Artikel Nr. | Datenblatt | Simulation | Downloads | Status | Produktserie | C | Tol. C | VR(V (DC)) | Bauform | Q(%) | DF(%) | RISO | Keramiktyp | L(mm) | B(mm) | H(mm) | Fl(mm) | Verpackung | Datenrate | Ports | PoE | Improved CMRR | Betriebstemperatur | VT(V (RMS)) | Montageart | L(µH) | Muster | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| WCAP-CSGP MLCCs 50 V(DC), 100 pF, ±5% | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWCAP-CSGP MLCCs 50 V(DC) | Kapazität100 pF | Kapazität±5% | Nennspannung50 V (DC) | Bauform0603 | Güte1000 % | – | Isolationswiderstand10 GΩ | KeramiktypNP0 Klasse I | Länge1.6 mm | Breite0.8 mm | Höhe0.8 mm | Pad Dimension0.4 mm | Verpackung7" Tape & Reel | – | – | – | – | Betriebstemperatur -55 °C up to +125 °C | – | – | – | |||||
| WCAP-CSGP MLCCs 50 V(DC), 470 pF, ±10% | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWCAP-CSGP MLCCs 50 V(DC) | Kapazität470 pF | Kapazität±10% | Nennspannung50 V (DC) | Bauform0603 | – | Verlustfaktor2.5 % | Isolationswiderstand10 GΩ | KeramiktypX7R Klasse II | Länge1.6 mm | Breite0.8 mm | Höhe0.8 mm | Pad Dimension0.4 mm | Verpackung7" Tape & Reel | – | – | – | – | Betriebstemperatur -55 °C up to +125 °C | – | – | – | |||||
| WCAP-CSGP MLCCs 50 V(DC), 4.7 nF, ±10% | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWCAP-CSGP MLCCs 50 V(DC) | Kapazität4.7 nF | Kapazität±10% | Nennspannung50 V (DC) | Bauform0603 | – | Verlustfaktor2.5 % | Isolationswiderstand10 GΩ | KeramiktypX7R Klasse II | Länge1.6 mm | Breite0.8 mm | Höhe0.8 mm | Pad Dimension0.4 mm | Verpackung7" Tape & Reel | – | – | – | – | Betriebstemperatur -55 °C up to +125 °C | – | – | – | |||||
| WCAP-CSGP MLCCs 50 V(DC), 100 nF, ±10% | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWCAP-CSGP MLCCs 50 V(DC) | Kapazität100 nF | Kapazität±10% | Nennspannung50 V (DC) | Bauform0603 | – | Verlustfaktor3 % | Isolationswiderstand5 GΩ | KeramiktypX7R Klasse II | Länge1.6 mm | Breite0.8 mm | Höhe0.8 mm | Pad Dimension0.4 mm | Verpackung7" Tape & Reel | – | – | – | – | Betriebstemperatur -55 °C up to +125 °C | – | – | – | |||||
 | WE-LAN LAN Übertrager, –, – | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWE-LAN LAN Übertrager | – | – | – | – | – | – | – | – | Länge17.55 mm | Breite16 mm | Höhe98.8 mm | Pad Dimension13.97 mm | – | Datenrate10/100/1000BASE-T | Ports1 | PoE4PPoE (bis zu 1000 mA) | Verbesserte Common Mode EntstörungNein | Betriebstemperatur -40 °C up to +105 °C | Prüfspannung1500 V (RMS) | MontageartSMT | Induktivität350 µH |